15 Glutathione Benefits: How to Improve Your Mind & Body Glutathione: The Bodys Master Antioxidant, ., ., Glutathione (GSH) is often referred to by scientists and nutritionists as the "Master Antioxidant." Unlike other antioxidants like Vitamin C or E, BOOST GLUTATHIONE NATURALLY Sulfur rich foods (allium + cruciferous + poultry fish beef) boost glutathione synthesis. Vitamin C raises glutathione by fighting free radicals. Selenium rich foods support glutathione production. Glutathione rich foods How To Get the Most Out of Your Glutathione Supplement Life Extension Supplements to Increase Glutathione in the Body? Office for Science and Society McGill University